RADIATION HARDNESS OF UNDOPED CSI CRYSTALS AGAINST HIGH-ENERGY PROTONS

被引:12
作者
KOBAYASHI, M
IEIRI, M
KONDO, K
MIURA, T
NOUMI, H
NUMAJIRI, M
OKI, Y
SUZUKI, T
TAKASAKI, M
TANAKA, K
YAMANOI, Y
SUGIMOTO, S
ISHII, M
机构
[1] UNIV TOKYO,INST NUCL STUDY,TANASHI,TOKYO 188,JAPAN
[2] SHONAN INST TECHNOL,FUJISAWA 251,JAPAN
关键词
D O I
10.1016/0168-9002(93)90666-6
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We compared radiation damages of undoped CsI for 12 GeV protons and for Co-60 gamma-rays between 10(4) and 10(8) rad. Degradation in optical transmission was similar in magnitude both for protons and gamma-rays; it is as small as 1-3% per 1 cm thickness at 10(4) rad, while it is as large as or larger than 5% above 10(5) rad. The above feature is different for BGO or GSO:Ce, whose radiation hardness is roughly two orders of magnitude smaller regarding protons than regarding gamma-rays. Recovery of damage is qualitatively similar both for proton and gamma-ray irradiations; spontaneous recovery is only partial and the annealing effect of UV exposure is negligibly small.
引用
收藏
页码:501 / 505
页数:5
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